Connector for use with top drive system
US8733434B2 · kind B2 · utility
0Cited by
9References
33Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 22, 2011 |
| Grant date | May 27, 2014 |
| Priority date | — |
| Expiry date | Oct 3, 2032 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B19/16
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
In some embodiments, apparatus connectable between a top drive system and a tool useful in connection with a hydrocarbon exploration or production well includes a rotatable barrel, a non-rotating upper housing engageable with the top drive system, a rotatable lower housing engageable with the tool and a non-rotating communication ring.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.